this afternoon, president obama graciously accepted my resignation. general petraeus was set to testify on capitol hill next week about the terror attack on the u.s. consulate in benghazi. tonight, fox news has learned he will not be testifying. we have team fox coverage now. ed henry with reaction from the white house. first though to chief intelligence correspondent catherine herridge live from our d.c. newsroom. catherine, you're now uncovering much more about the investigation that led to this other woman. >> well, thank you, harris. as soon as the story broke this evening that petraeus was resigning, sources began pointing toward paula broadwell the author of that biography as part of this extramarital affair it came to light as part of an fbi investigation that led to a broader case. in the course of that investigation, broadwell's name came up, tracking broadwell, woe believe, through internet traffic led to petraeus and there was some concern of the fbi of a possible security security brea. though we are told there is notified of that effect.